<template>
  <div id="app">
		<router-view/>
  </div>
</template>

<script>

export default {
  name: 'App',
  created() {
    if (sessionStorage.getItem('name')) {
      this.$store.replaceState(Object.assign({}, this.$store.state, JSON.parse(sessionStorage.getItem('name'))));
    }

    //在页面刷新时将vuex里的信息保存到sessionStorage里
    window.addEventListener('beforeunload', () => {
      sessionStorage.setItem('name', JSON.stringify(this.$store.state));
    });
  }
}
</script>

<style>
#app {
  font-family: SimHei, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
}
</style>
